CN210711667U

CN210711667U - Box quenching furnace with controllable temperature

Info

Publication number: CN210711667U
Application number: CN201920798350.5U
Authority: CN
Inventors: 周杨
Original assignee: JINGMEN SOLID THERMAL ENERGY TECHNIQUE CO Ltd
Current assignee: JINGMEN SOLID THERMAL ENERGY TECHNIQUE CO Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-06-09
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a box quenching furnace of controllable temperature, including furnace body, arc frame and movable table, the opening has been seted up to the centre of furnace body one side, and the inside quenching liquid chamber that is provided with of furnace body of opening below, the inside bottom of quenching liquid chamber are provided with the movable table, first cylinder and second cylinder are installed respectively to the top of furnace body both sides to the output of first cylinder and second cylinder all extends to the inside top of furnace body and has the arc frame through "U" type frame fixed support, all evenly install electric heating pipe on the inside wall of arc frame to install temperature sensor on the lateral wall of one of them arc frame. The utility model discloses can adjust the distance between 2 arc framves according to the gear needs of different models to satisfy the gear quenching needs of different diameters, simultaneously, the temperature sensor of setting can real-time detection quenching temperature, and the timely regulation of the quenching temperature of being convenient for guarantees the quenching effect, convenient to use, and the practicality is strong.

Description

Box quenching furnace with controllable temperature

Technical Field

The utility model relates to the technical field of quenching furnaces, in particular to a temperature-controllable box type quenching furnace.

Background

The use of mechanical elements, gears, having a rim with teeth that can continuously mesh to transmit motion and power, in transmission has long emerged, and with the development of production, the smoothness of the operation of the gears is emphasized.

However, conventional gear processing quenching furnaces tend to have the following drawbacks:

1. the gear is generally quenched in a fixed mode, so that the problem of uneven quenching exists, and the service life of the gear is influenced;

2. waste gas pollution caused by gear quenching cannot be timely treated, the pollution of the environment is high, and the health of workers is damaged;

3. the cooling water used in the cooling process is directly discharged after being used, and cannot be recycled, so that the water resource is wasted, the pollution to the environment is also caused, and the investment cost of enterprises is also increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a box quenching furnace of controllable temperature to the existence that proposes in solving above-mentioned background art quenches inhomogeneous problem, waste gas pollution processing that can not be timely, used cooling water directly discharges after using when the pollution nature of environment is big, cooling, can not cyclic utilization, has wasted the water resource problem.

In order to achieve the above object, the utility model provides a following technical scheme: a temperature-controllable box-type quenching furnace comprises a furnace body, an arc-shaped frame and a movable table, wherein an opening is formed in the middle of one side of the furnace body, a supporting plate is installed on the furnace body below the outer side of the opening through bolts, a quenching liquid cavity is arranged inside the furnace body below the opening, a movable table is movably supported at the center of the bottom end inside the quenching liquid cavity through an electric telescopic rod, a rotating motor is installed at the bottom of the movable table through bolts, a sealing cover body is arranged at the bottom of the movable table outside the rotating motor, the rotating motor is electrically connected with a controller installed on one side of the supporting plate through a wire, a rotating tray is fixedly connected with an output shaft of the rotating motor, a first air cylinder and a second air cylinder are respectively installed above two sides of the furnace body through bolts, the first air cylinder and the second air cylinder are electrically connected with the controller through wires, output ends of the first air cylinder and the second air cylinder extend to the upper portion inside the furnace, the inner side walls of the arc-shaped frames are uniformly provided with electric heating pipes which are electrically connected with a controller through leads, the outer side wall of one arc-shaped frame is provided with a temperature sensor, the output end of the temperature sensor is electrically connected with the input end of the controller through leads, four corner positions at the bottom of the furnace body are all provided with supporting legs through bolts, the inner sides of the supporting legs are provided with a filtering box body through bolts, the top of the filtering box body is provided with a water return pipe, the water return pipe extends to the bottom end inside the quenching liquid cavity, the inner wall of the supporting leg at one side of the filtering box body is fixedly supported with a circulating pump through a bracket, the circulating pump is electrically connected with the controller through leads, the input end of the circulating pump is fixedly connected with a liquid inlet pipe, one end of the liquid inlet pipe, which is, the output end of the liquid outlet pipe extends to the upper part inside the quenching liquid cavity.

Preferably, the flue gas filter box is installed to the centre at the furnace body back, and the center at furnace body top is provided with the wind gap, and the furnace body top in the wind gap outside installs the exhaust hood through the bolt, and the suction fan is installed to the inboard of exhaust hood, and the suction fan passes through the wire and is connected with the controller electricity to the output fixedly connected with exhaust pipe of exhaust hood, the output and the flue gas filter box fixed connection of exhaust pipe, the internally mounted of flue gas filter box has the active carbon filter core.

Preferably, the center at rotatory tray top installs spacing post through the connecting hole, and the bottom of spacing post is provided with the spliced pole that extends to the connecting hole inside to the spliced pole is the screw thread post structure, is provided with the internal thread on the inside wall of connecting hole, and spacing post passes through spliced pole demountable installation in the top of connecting hole.

Preferably, 3 filter screens are installed from top to bottom in proper order in the inside of filtering the box, and the aperture of 3 filter screens reduces in proper order to evenly be provided with the installing port of mutually supporting with 3 filter screens on the lateral wall of filtering the box, the sectional area of filter screen equals with the volume of installing port, and the filter screen passes through installing port demountable installation in the inside of filtering the box.

Preferably, both ends of the arc-shaped frame are provided with sliding blocks, sliding grooves matched with the sliding blocks are formed in the inner walls of the two sides of the furnace body, the sliding grooves and the sliding blocks are located on the same horizontal plane, the outer contour of each sliding block is smaller than the inner contour of each sliding groove, and the arc-shaped frame forms a sliding structure on the inner side of each sliding groove through the sliding blocks.

Preferably, the inside of flue gas filter box is provided with the cavity to be provided with the trompil with this cavity intercommunication on the lateral wall of flue gas filter box, activated carbon filter's volume equals with the volume of cavity, and activated carbon filter demountable installation is inside the cavity of flue gas filter box, and the bottom of flue gas filter box is provided with out the tuber pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) according to the temperature-controllable box-type quenching furnace, the movable table with the rotating motor arranged at the bottom is arranged, so that the rotating motor drives the rotating tray to rotate, the gears can be driven to slowly rotate in the quenching process, the quenching uniformity of the side teeth of the gears is improved, the 2 arc-shaped frames are supported by the air cylinders, the distance between the 2 arc-shaped frames can be adjusted according to the gear requirements of different models, the gear quenching requirements of different diameters can be met, meanwhile, the set temperature sensor can detect the quenching temperature in real time, the timely adjustment of the quenching temperature is facilitated, the quenching effect is ensured, the use is convenient, and the practicability is strong;

(2) according to the temperature-controllable box-type quenching furnace, the air exhaust cover is arranged on the outer side of the air port at the top of the furnace body, the exhaust fan arranged on the inner side of the air exhaust cover is matched, and the output end of the air exhaust cover is fixedly connected with the exhaust pipe, so that the output end of the exhaust pipe is fixedly connected with the flue gas filter box, inhalable particles and toxic substances in waste gas can be filtered under the action of the active carbon filter element in the flue gas filter box, discharged gas can be safer, and the environment and the health of workers are protected;

(3) this box quenching furnace of controllable temperature, through the filter box top installation wet return inboard at the supporting leg, make the wet return extend to the bottom of quenching liquid intracavity portion, cooperation supporting leg inner wall is last through the circulating pump of bracket fixed stay, the circulating pump is under the effect of feed liquor pipe and drain pipe, can make the inside quenching liquid circulation of quenching liquid intracavity portion flow, make the quenching liquid continuously flow on the gear surface, the cooling effect when increasing the gear quenching, and set up the filter screen that the aperture reduces in proper order through the inside at the filter box, can carry out impurity and the sewage that contains in the liquid and carry out effectual filtration, the recycling after the quenching liquid water treatment has been guaranteed, resources are saved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the structure of the movable table of the present invention.

In the figure: 1. supporting legs; 101. a bracket; 2. a circulation pump; 201. a liquid outlet pipe; 202. a liquid inlet pipe; 3. an air extraction hood; 301. an air suction fan; 302. an exhaust duct; 4. a furnace body; 401. a quenching liquid cavity; 402. an opening; 403. a tuyere; 404. a support pallet; 405. a chute; 5. a first cylinder; 6. a movable table; 601. sealing the cover body; 602. a rotating electric machine; 603. rotating the tray; 6031. connecting holes; 604. a limiting column; 6041. connecting columns; 7. an electric telescopic rod; 8. a water return pipe; 9. a filter box body; 10. a second cylinder; 11. an arc-shaped frame; 1101. an electric heating tube; 1102. a slider; 12. a U-shaped frame; 13. a temperature sensor; 14. a flue gas filter box; 1401. an activated carbon filter element; 15. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a box-type quenching furnace capable of controlling temperature comprises a furnace body 4, an arc-shaped frame 11 and a movable table 6, wherein an opening 402 is formed in the middle of one side of the furnace body 4, a supporting plate 404 is installed on the furnace body 4 below the outer side of the opening 402 through bolts, a quenching liquid cavity 401 is arranged inside the furnace body 4 below the opening 402, the movable table 6 is movably supported at the center of the bottom end inside the quenching liquid cavity 401 through an electric lifting and contracting rod 7, a rotating motor 602 is installed at the bottom of the movable table 6 through bolts, the type of the rotating motor 602 can be Y90S-2, a sealing cover body 601 is arranged at the bottom of the movable table 6 outside the rotating motor 602, the rotating motor 602 is electrically connected with a controller 15 installed on one side of the supporting plate 404 through a lead, the type of the controller 15 can be FHR-211, and a rotating tray 603;

the center of the top of the rotating tray 603 is provided with a limiting column 604 through a connecting hole 6031, the bottom end of the limiting column 604 is provided with a connecting column 6041 extending to the inside of the connecting hole 6031, the connecting column 6041 is of a threaded column structure, an internal thread is arranged on the inner side wall of the connecting hole 6031, the limiting column 604 is detachably arranged at the top of the connecting hole 6031 through the connecting column 6041, the limiting column 604 and the rotating tray 603 are detachably connected through the connecting column 6041 and the connecting hole 6031, the limiting column 604 matched with gears can be replaced according to the limiting requirements of different gears, the limiting column 604 is used for limiting the position of the gear to be quenched, and the quenching effect;

the upper parts of two sides of the furnace body 4 are respectively provided with a first cylinder 5 and a second cylinder 10 through bolts, the types of the first cylinder 5 and the second cylinder 10 can be SC, the first cylinder 5 and the second cylinder 10 are electrically connected with a controller 15 through leads, the output ends of the first cylinder 5 and the second cylinder 10 extend to the upper part inside the furnace body 4 and are fixedly supported with an arc-shaped frame 11 through a U-shaped frame 12, the inner side wall of the arc-shaped frame 11 is uniformly provided with an electric heating pipe 1101, the electric heating pipe 1101 is electrically connected with the controller 15 through leads, the outer side wall of one arc-shaped frame 11 is provided with a temperature sensor 13, the type of the temperature sensor 13 can be PT100, and the output end of the temperature sensor 13 is electrically connected with the input end of the controller 15 through leads;

the two ends of the arc-shaped frame 11 are provided with the sliding blocks 1102, the inner walls of the two sides of the furnace body 4 are provided with the sliding grooves 405 matched with the sliding blocks 1102, the sliding grooves 405 and the sliding blocks 1102 are positioned on the same horizontal plane, the outer contour of the sliding blocks 1102 is smaller than the inner contour of the sliding grooves 405, the arc-shaped frame 11 forms a sliding structure on the inner side of the sliding grooves 405 through the sliding blocks 1102, and when the first air cylinder 5 and the second air cylinder 10 drive the arc-shaped frame 11 to be movably adjusted, the sliding blocks 1102 of the arc-shaped frame 11 slide along the sliding grooves 405, so that;

the middle of the back of the furnace body 4 is provided with a flue gas filter box 14, the center of the top of the furnace body 4 is provided with a tuyere 403, the top of the furnace body 4 outside the tuyere 403 is provided with an air exhaust cover 3 through bolts, the inner side of the air exhaust cover 3 is provided with an air suction fan 301, the air suction fan 301 is electrically connected with a controller 15 through a lead, the output end of the air exhaust cover 3 is fixedly connected with an exhaust pipe 302, the output end of the exhaust pipe 302 is fixedly connected with the flue gas filter box 14, and the inside of the flue gas filter box 14 is provided with;

a cavity is arranged in the smoke filter box 14, an opening communicated with the cavity is formed in the side wall of the smoke filter box 14, the volume of the activated carbon filter core 1401 is equal to that of the cavity, the activated carbon filter core 1401 is detachably mounted in the cavity of the smoke filter box 14, an air outlet pipe is arranged at the bottom of the smoke filter box 14, smoke generated during quenching is extracted from an air port 403 and is guided into the smoke filter box 14 through an exhaust pipe 302, and the smoke is absorbed and filtered by the activated carbon filter core 1401 and then is exhausted by the air outlet pipe arranged at the bottom of the smoke filter box 14;

four corners of the bottom of the furnace body 4 are all provided with supporting legs 1 through bolts, and the inner sides of the supporting legs 1 are provided with filter boxes 9 through bolts;

3 filter screens are sequentially arranged in the filter box body 9 from top to bottom, the apertures of the 3 filter screens are sequentially reduced, mounting openings matched with the 3 filter screens are uniformly formed in the side wall of the filter box body 9, the sectional areas of the filter screens are equal to the volumes of the mounting openings, the filter screens are detachably mounted in the filter box body 9 through the mounting openings, the 3 filter screens are convenient to detach and clean, and meanwhile, the apertures of the 3 filter screens are sequentially reduced to ensure the filtering effect;

and wet return 8 is installed at the top of filtration box 9, wet return 8 extends to the inside bottom in quenching liquid chamber 401, there is circulating pump 2 through bracket 101 fixed stay on the 1 inner wall of supporting leg of filtration box 9 one side, circulating pump 2's model can be ISGD, circulating pump 2 passes through the wire and is connected with 15 electricity of controller, and circulating pump 2's input fixedly connected with feed liquor pipe 202, the one end that circulating pump 2 was kept away from to feed liquor pipe 202 extends to the inside bottom of filtration box 9, circulating pump 2's output fixedly connected with drain pipe 201, the output of drain pipe 201 extends to the inside top in quenching liquid chamber 401.

The working principle is as follows: when the quenching device is used, the controller 15 is connected with a power supply, the controller 15 controls the electric lifting and contracting rod 7 to drive the movable table 6 to move upwards, the quenching device stops when the movable table 6 moves to the position of the opening 402, a gear to be quenched is placed at the top of the rotating tray 603, at the moment, the limiting column 604 is inserted into the inner side of the through hole in the center of the gear, the controller 15 controls the electric lifting and contracting rod 7 to drive the movable table 6 to move upwards continuously, the gear rises to the inner side of the arc-shaped frame 11 to stop, the controller 15 controls the rotating motor 602 and the electric heating pipe 1101 to start, the temperature of the electric heating pipe 1101 is monitored in real time through the temperature sensor 13, during quenching, the rotating motor 602 drives the rotating tray 603 to rotate slowly, the controller 15 controls the suction fan 301 to start, smoke during quenching is sucked from an air port 403 and guided into the smoke filter box 14 through the exhaust pipe 302, and is absorbed and filtered, after quenching, electronic telescopic link 7 of controller 15 control drives movable platform 6 downstream, it is inside to drive rotatory tray 603 to dip quenching liquid chamber 401, controller 15 control circulating pump 2 starts, circulating pump 2 is taken out through feed liquor pipe 202 and is filtered the inside clean quenching liquid after 3 layers of filter screen of filter box 9, and carry clean quenching liquid to quenching liquid chamber 401 inside through drain pipe 201, the liquid of quenching liquid chamber 401 bottom passes through return water pipe 8 and pours into filter box 9 inside, can make the inside quenching liquid circulation flow of quenching liquid chamber 401, make the quenching liquid continuously flow on the gear surface, cooling effect when increasing gear quenching.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a box quenching furnace of controllable temperature, includes furnace body (4), arc frame (11) and movable table (6), its characterized in that: an opening (402) is formed in the middle of one side of the furnace body (4), a supporting plate (404) is installed on the furnace body (4) below the outer side of the opening (402) through bolts, a quenching liquid cavity (401) is arranged inside the furnace body (4) below the opening (402), a movable table (6) is movably supported at the center of the bottom end inside the quenching liquid cavity (401) through an electric lifting and contracting rod (7), a rotating motor (602) is installed at the bottom of the movable table (6) at the outer side of the rotating motor (602) through bolts, the rotating motor (602) is electrically connected with a controller (15) installed on one side of the supporting plate (404) through a lead, a rotating tray (603) is fixedly connected to an output shaft of the rotating motor (602), a first air cylinder (5) and a second air cylinder (10) are installed above two sides of the furnace body (4) through bolts respectively, the first air cylinder (5) and the second air cylinder (10) are electrically connected with a controller (15) through wires, the output ends of the first air cylinder (5) and the second air cylinder (10) extend to the upper part inside the furnace body (4) and are fixedly supported by an arc-shaped frame (11) through a U-shaped frame (12), electric heating pipes (1101) are uniformly arranged on the inner side wall of the arc-shaped frame (11), the electric heating pipes (1101) are electrically connected with the controller (15) through wires, a temperature sensor (13) is arranged on the outer side wall of one of the arc-shaped frames (11), the output end of the temperature sensor (13) is electrically connected with the input end of the controller (15) through wires, supporting legs (1) are arranged at the positions of four corners of the bottom of the furnace body (4) through bolts, a filtering box body (9) is arranged on the inner side of the supporting legs (1) through bolts, and a water return pipe (8) is arranged at the top, return water pipe (8) extend to the inside bottom in quenching liquid chamber (401), there is circulating pump (2) through bracket (101) fixed stay on supporting leg (1) inner wall of filtration box (9) one side, circulating pump (2) are connected through wire and controller (15) electricity, and input fixedly connected with feed liquor pipe (202) of circulating pump (2), the one end that circulating pump (2) were kept away from in feed liquor pipe (202) extends to the inside bottom of filtration box (9), the output fixedly connected with drain pipe (201) of circulating pump (2), the output of drain pipe (201) extends to the inside top in quenching liquid chamber (401).

2. The temperature-controllable box-type quenching furnace as claimed in claim 1, wherein: flue gas filter box (14) are installed to the centre at furnace body (4) back, the center at furnace body (4) top is provided with wind gap (403), furnace body (4) top in wind gap (403) outside is installed exhaust hood (3) through the bolt, suction fan (301) are installed to the inboard of exhaust hood (3), suction fan (301) are connected through wire and controller (15) electricity, and the output end fixedly connected with exhaust pipe (302) of exhaust hood (3), the output and flue gas filter box (14) fixed connection of exhaust pipe (302), the internally mounted of flue gas filter box (14) has activated carbon filter core (1401).

3. The temperature-controllable box-type quenching furnace as claimed in claim 1, wherein: spacing post (604) are installed through connecting hole (6031) at the center at rotatory tray (603) top, and the bottom of spacing post (604) is provided with and extends to inside spliced pole (6041) of connecting hole (6031) to spliced pole (6041) are the screw thread column structure, are provided with the internal thread on the inside wall of connecting hole (6031), and spacing post (604) are through spliced pole (6041) demountable installation in the top of connecting hole (6031).

4. The temperature-controllable box-type quenching furnace as claimed in claim 1, wherein: 3 filter screens are installed from the top down in proper order in the inside of filtering box (9), and the aperture of 3 filter screens reduces in proper order to evenly be provided with the installing port of mutually supporting with 3 filter screens on the lateral wall of filtering box (9), the sectional area of filter screen equals with the volume of installing port, and the filter screen passes through installing port demountable installation in the inside of filtering box (9).

5. The temperature-controllable box-type quenching furnace as claimed in claim 1, wherein: the two ends of the arc-shaped frame (11) are provided with sliding blocks (1102), the inner walls of the two sides of the furnace body (4) are provided with sliding grooves (405) matched with the sliding blocks (1102), the sliding grooves (405) and the sliding blocks (1102) are located on the same horizontal plane, the outer contour of each sliding block (1102) is smaller than the inner contour of each sliding groove (405), and the arc-shaped frame (11) forms a sliding structure on the inner side of each sliding groove (405) through the corresponding sliding block (1102).

6. The temperature-controllable box-type quenching furnace as claimed in claim 2, wherein: the inside of flue gas filter box (14) is provided with the cavity to be provided with the trompil with this cavity intercommunication on the lateral wall of flue gas filter box (14), the volume of active carbon filter core (1401) equals with the volume of cavity, and inside active carbon filter core (1401) demountable installation in the cavity of flue gas filter box (14), the bottom of flue gas filter box (14) is provided with out the tuber pipe.